Hydrochloric Acid → 1-(3-Diethylaminopropyl)-3-amino-4-hydroxyindazole dihydrochloride

HRID 580123Notes

Reaction equation

HRID 580123 reaction equation
[CH2:1]([N:3]([CH2:18][CH3:19])[CH2:4][CH2:5][CH2:6][N:7]1[C:15]2[C:10](=[C:11]([OH:16])[CH:12]=[CH:13][CH:14]=2)[C:9]([NH2:17])=[N:8]1)[CH3:2].[ClH:20].C(OCC)C>C(O)C>[ClH:20].[ClH:20].[CH2:18]([N:3]([CH2:1][CH3:2])[CH2:4][CH2:5][CH2:6][N:7]1[C:15]2[C:10](=[C:11]([OH:16])[CH:12]=[CH:13][CH:14]=2)[C:9]([NH2:17])=[N:8]1)[CH3:19]

Participants

5

Reactant 3

HCID 313Hydrochloric AcidHCID 3283Diethyl EtherHCID 1355831011-(3-Diethylaminopropyl)-3-amino-4-hydroxyindazole

Product 1

HCID 1355831101-(3-Diethylaminopropyl)-3-amino-4-hydroxyindazole dihydrochloride

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

In 50 ml of absolute ethyl alcohol was dissolved 3.0 g of 1-(3-diethylaminopropyl)-3-amino-4-hydroxyindazole, and into the solution was introduced dried hydrogen chloride gas under cooling with ice. To the solution was added anhydrous diethyl ether to separate crystals. Then the crystals were obtained by filtration and dried to give 1-(3-diethylaminopropyl)-3-amino-4-hydroxyindazole dihydrochloride having the following analytical value.

Workup

  1. temperatureunder cooling with ice
  2. customto separate crystals
  3. customThen the crystals were obtained by filtration
  4. customdried

Sources & evidence

ORD record
ord-6c38be1dbf9d4cd99f21ba8a27042a58
Source dataset
uspto-grants-1988_06
Patent number
US04751302

Reaction notes

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